matrix - Get Max Value From A Row in SSRS 2008 R2 -


i'm having problem ssrs 2008 r2. have matrix contains count of failed codes failed codes being rows , days being columns.

what i'd determine maximum value in each of rows, use calculate percentage , apply conditional format. expression i've tried use is:

=iif((max(count(fields!failed_code.value),"failed_code") * 0.9) < count(fields!failed_code.value),"red","white")

however when following error:

the backgroundcolor expression text box 'failed_code1_inautosubtotal1' contains nested aggregate not specify scope.

how set scope can determine max row value?


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